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Finding the Fourth Proportional to 2,827.35, 4,241.88 and 879.57

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Solution

The fourth proportional to 2,827.35, 4,241.88 and 879.57 is: 1,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.35 : 4,241.88 = 879.57 : x
  2. Step 2: Convert to fraction form
    2,827.35/4,241.88 = 879.57/x
  3. Step 3: Cross multiply
    2,827.35x = 4,241.88 × 879.57
  4. Step 4: Simplify right side
    2,827.35x = 3,731,030.39
  5. Step 5: Solve for x
    x = 3,731,030.39/2,827.35
  6. Step 6: Final answer
    x = 1,319.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.